From: Mario Limonciello <mario.limonciello@amd.com>
To: "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>,
Robert Moore <robert.moore@intel.com>,
Erik Kaneda <erik.kaneda@intel.com>, Len Brown <lenb@kernel.org>,
"open list:ACPI COMPONENT ARCHITECTURE (ACPICA)"
<linux-acpi@vger.kernel.org>,
"open list:ACPI COMPONENT ARCHITECTURE (ACPICA)"
<devel@acpica.org>, open list <linux-kernel@vger.kernel.org>
Subject: [PATCH v3 1/2] ACPICA: Add support for MADT online enabled bit
Date: Wed, 8 Sep 2021 16:41:45 -0500 [thread overview]
Message-ID: <20210908214146.8640-1-mario.limonciello@amd.com> (raw)
The online enabled bit on newer ACPI implmentations will indicate
whether the CPU is hotpluggable.
Link: http://github.com/acpica/acpica/pull/708/
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
include/acpi/actbl2.h | 1 +
1 file changed, 1 insertion(+)
Changes from v2:
* Split into a separate patch from the acpica pull request
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 2069ac38a4e2..fae45e383987 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -808,6 +808,7 @@ struct acpi_madt_multiproc_wakeup_mailbox {
/* MADT Local APIC flags */
#define ACPI_MADT_ENABLED (1) /* 00: Processor is usable if set */
+#define ACPI_MADT_ONLINE_CAPABLE (2) /* 01: System HW supports enabling processor at runtime */
/* MADT MPS INTI flags (inti_flags) */
--
2.25.1
reply other threads:[~2021-09-08 21:41 UTC|newest]
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